期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 47, 期 25, 页码 12605-12614出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2022.02.009
关键词
NiS/CdS; 0D/0D; Intimate contact; Photocataytic H-2 evolution
资金
- Outstanding Youth Foundation of Jiangsu Province [BK20200107]
- National Natural Science Foundation of China [51803090, 52103141]
- Natural Science Foundation of Jiangsu [BK20181025, BK20191022]
- Innovation Fund of Jiangsu Province [202111276093H]
- Opening Project of Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology
- Outstanding Scientific and Technological Innovation Team in Colleges and Universities of Jiangsu Province
Heterojunction photocatalysts containing CdS and NiS nanoparticles were synthesized, and the photocatalytic H2 evolution rate of the obtained NiS/CdS composite was 39.42 times higher than that of pure CdS.
Heterojunction photocatalysts based on semiconducting nanoparticles show excellent performance in many photocatalytic reactions. In this study, 0D/0D heterojunction photocatalysts containing CdS and NiS nanoparticles (NPs) were successfully synthesized by a chemical precipitation method. The NiS NPs were grown in situ on CdS NPs, ensuring intimate contact between the semiconductors and improving the separation efficiency of hole-electron pairs. The obtained NiS/CdS composite delivered a photocatalytic H2 evolution rate (7.49 mmol h(-1) g(-1)), which was 39.42 times as high as that of pure CdS (0.19 mmol h(-1) g(-1)). This study demonstrates the advantages of 0D/0D heterojunction photocatalysts for visible light-driven photocatalytic hydrogen production. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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